I have found a brand new lf357H

[lxs17757414132]

The merchant told me that they were produced in 2008 and their origin is USA

[ArchibaldSTM]

So, what is next?

[daluka]

Has anyone tried using the LF356 instead of the LF357?

https://www.mit.edu/~6.301/LF155.pdf

[daluka]

Has anyone tried using the LF356 instead of the LF357?

https://www.mit.edu/~6.301/LF155.pdf

or AD825

[lxs17757414132]

China has the cheapest PCB manufacturers and the cheapest inventory chips. If anyone needs them, I can help purchase them. I have a reliable agent

[aft_72005]

The merchant told me that they were produced in 2008 and their origin is USA

all is fake !!!! i did test slew rate ... it is not lf357

[kt315]

just one question leaves. why so powerful gigantic industry China is not able to copy one obsolete microchip? SHAME!

[lxs17757414132]

I cannot answer this question to you, after all, I am not a manufacturer. The demand for LF357 is insufficient, and the factory cannot make a profit. Perhaps this is the best answer

[aft_72005]

just one question leaves. why so powerful gigantic industry China is not able to copy one obsolete microchip? SHAME!

can copy easy.... but when produced fake copy.... then low cost IC
sell more ... who can test is exactly !!!!!!!! .. may be only one from thousand engineer!!!!!!